package charpter11.lynx;

import java.util.Collection;
import java.util.HashSet;

public class Two {
	  public static void main(String[] args) {
		    Collection<Integer> c = new HashSet<Integer>();
		    for(int i = 0; i < 10; i++)
		      c.add(i); // Autoboxing
		    for(Integer i : c)
		      System.out.print(i + ", ");
		  }
}
